Sr FullStack Engineer PHP & Javascript

About The OpportunityWe are supporting the integration of a recently acquired UK-based software company (~70 employees) that provides a platform for salvage yard operations management. This role is part of a critical initiative to stabilize, scale, and integrate the acquired platform into the ecosystem. The team is in an active integration phase, offering a great opportunity to work in a fast-paced, high-impact environment.Team & StructureYou will work closely with a UK-based Lead Engineer and a small, established dev team. The team is currently lean (~4 engineers), offering strong ownership opportunities, reporting structure is evolving as part of the post-acquisition integrationResponsibilitiesWork on a production platform built with PHP and MySQL, supporting active customersExecute hands-on data operations, including: Running and optimizing MySQL scripts; Supporting customer onboarding (data uploads, configuration); Migrating and validating data for existing customers; Contribute to improving platform stability and reliability; Collaborate closely with the UK-based Lead Engineer and existing development team; Support the integration into eBay’s Azure Cloud environment; Troubleshoot issues and provide quick, effective solutions in a live production settingRequired QualificationsStrong experience with PHP (backend-focused)Advanced, hands-on experience with MySQL: Writing complex queries; Running scripts directly in production environments; Data migration and manipulation; Experience working with production systems and live customer data; Solid understanding of system stability, debugging, and performance optimization; Ability to work in a fast-paced, integration-driven environmentNice To Have SkillsExperience with Microsoft AzureBackground in full stack development (frontend exposure is a plus)Experience working with legacy systems or startup environmentsFamiliarity with data-heavy applications or operational platformsAvenue Code discloses salary range information based on our commitment to fairness and transparency. We consider a wide range of factors such as internal equity, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, business or organizational needs, and others. At Avenue Code, it is not typical for an individual to be hired at or near the top of the range for their role, and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for a Full Stack Engineer is €39.Avenue Code reinforces its commitment to privacy and to all the principles guaranteed by the most accurate global data protection laws, such as GDPR, LGPD, CCPA and CPRA. The Candidate data shared with Avenue Code will be kept confidential and will not be transmitted to disinterested third parties, nor will it be used for purposes other than the application for open positions. As a Consultancy company, Avenue Code may share your information with its clients and other Companies from the CompassUol Group to which Avenue Code’s consultants are allocated to perform its services.